All right. So formal charge can actually help us out when we're trying to decide between several Lewis structures that look like they might be comparable in terms of which might be the lower energy or the more stable structure.

好的，形式电荷真的可以,帮助我们决定,在几种路易斯结构中,哪个更可能符合能量更低,或者结构更稳定的要求。

麻省理工公开课 - 化学原理课程节选

I was probably, I think, sixteen when I went, so this was several, several years ago.

那时我才十六岁，那是几年前的事了。

大都会艺术博物馆 - SpeakingMax英语口语达人

Then you're going to get several different looking versions of articles when you click on that particular tab.

之后当你们点击特定的标签,会得到相应不同版本的文章

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

There are several times when God threatens to exterminate them, but Moses manages to dissuade him.

很多次，上帝恐吓要根绝他们，但是摩西都设法劝阻了。

耶鲁公开课 - 旧约导论课程节选

Rather, people smile when they wish to communicate happiness and we know that from several studies.

相反，人们微笑是渴望能开心地交流,从一些研究中，我们知道。

耶鲁公开课 - 心理学导论课程节选

When you get a wound several things start to happen.

受伤时有好几个生理过程会发生

耶鲁公开课 - 生物医学工程探索课程节选

The trouble is, you just don't know when that explosion took place, and since there are several periods in this general area that we're talking about now, in which something big happened, some great change takes place, it turns out different people want to have their explosion at different times.

问题是,你不了解火山爆发的,确切时间以及这种爆发,在这个区域又延续了很多个时期,这些时期发生了许多重大事件和重大变化,结果就是不同人对,火山爆发的时间推测各不相同

耶鲁公开课 - 古希腊历史简介课程节选

Any one of these things would introduce error, but when you start adding them altogether, you get considerable error, so that means--it shows several things.

这些事物都会引入误差,一旦误差集中起来,会变成严重的错误,那就意味着,表现如下

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Several things happen during mitosis, first, when a cell enters the process of mitosis it already has twice the DNA that it needs.

有丝分裂中有几个重要的步骤,首先,当细胞进入有丝分裂过程,细胞中已含有两倍于其正常所需的DNA

耶鲁公开课 - 生物医学工程探索课程节选